Wild Waves Theme & Water Park in Federal Way, Washington, is scheduled to permanently close on Nov. 1, 2026, ending nearly 50 years of operation. Multiple reports describe the closure as the end of a long-running regional attraction for families across the Pacific Northwest. The park’s president and owner cites rising post-COVID operating costs as a key factor behind the decision, according to one outlet. Another outlet frames the closure as a final end-of-era moment for local residents and visitors, but does not introduce additional reasons beyond the planned shutdown. The closure date follows the end of the park’s final season, with the park set to stop operating permanently rather than transition to a new format or ownership. No sources provided additional details in the excerpts about potential redevelopment plans or alternative attractions replacing the park.